{"product_id":"bmw-n55-m135i-m235i-m2-335i-gasket-keychain","title":"N55 – BMW M135i, M235i, M2 \u0026 335i Head Gasket Keychain","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eThis stainless-steel head gasket keychain celebrates the \u003cstrong\u003eBMW N55\u003c\/strong\u003e, BMW’s turbocharged 3.0-litre inline-six petrol-engine family. Introduced in 2009, the N55 replaced the earlier twin-turbo N54 in many BMW models and became BMW’s first turbocharged engine to combine Valvetronic variable valve lift with direct injection and a single twin-scroll turbocharger.\u003c\/p\u003e\n\u003ch2 class=\"font-semibold leading-tight text-pretty mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"engine-identity\"\u003eEngine Identity\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e BMW AG.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eEngine family:\u003c\/strong\u003e N55.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eCommon engine codes:\u003c\/strong\u003e N55B30M0, N55B30O0 and N55B30T0; exact engine code, output and emissions specification vary by model, market and production year.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" data-pplx-citation=\"\" data-pplx-citation-url=\"https:\/\/ru.wikipedia.org\/wiki\/BMW_N55\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"relative -mt-px max-w-full min-w-0 whitespace-nowrap -top-px font-sans text-base text-foreground select-none selection:bg-super\/50 selection:text-foreground dark:selection:bg-super\/10 dark:selection:text-super\"\u003e\u003cspan class=\"text-3xs rounded-md group min-w-4 max-w-full cursor-pointer align-middle font-mono tabular-nums font-normal transition-colors duration-150 inline-flex items-center gap-0 py-[0.1875rem] leading-snug px-[0.3rem] [@media(hover:hover)]:hover:bg-subtle group-data-[state=open]\/trigger:bg-subtle border-subtlest ring-subtlest divide-subtlest bg-quiet\"\u003e\u003cspan class=\"inline-flex shrink-0 items-center gap-xs !mt-0 ![vertical-align:unset] mr-xs\"\u003e\u003cspan role=\"img\" aria-label=\"Trusted domain\" data-testid=\"trusted-citation-check\" class=\"inline-flex shrink-0 items-center\"\u003e\u003csvg role=\"img\" class=\"inline-flex fill-current shrink-0 text-quiet\" width=\"12\" height=\"12\" stroke-width=\"1.75\" aria-hidden=\"true\"\u003e\u003cuse\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Front-mounted, longitudinal or transverse turbocharged inline-six petrol engine.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eCylinder count:\u003c\/strong\u003e 6\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 2,979 cc \/ 3.0 litres.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eProduction period:\u003c\/strong\u003e 2009–2017 for the core N55 family, with individual vehicle applications continuing beyond this period in some markets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eValvetrain:\u003c\/strong\u003e DOHC, four valves per cylinder and 24 valves total, using Double VANOS variable cam timing and Valvetronic variable valve lift.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eFuel system:\u003c\/strong\u003e High Precision direct petrol injection, quoted at 200 bar in BMW technical descriptions.\u003cspan class=\"citation inline\" data-pplx-citation=\"\" data-pplx-citation-url=\"https:\/\/pl.wikipedia.org\/wiki\/BMW_N55\"\u003e\u003cspan class=\"inline-flex\" aria-label=\"BMW N55 – Wikipedia, wolna encyklopedia\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eInduction:\u003c\/strong\u003e A single twin-scroll turbocharger.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eThe N55 uses an aluminium crankcase with directly coated cylinder bores, rather than iron cylinder liners. It has an 84.0 mm bore and 89.6 mm stroke, giving a 2,979 cc capacity and a 10.2:1 compression ratio.\u003c\/p\u003e\n\u003ch2 class=\"font-semibold leading-tight text-pretty mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"vehicle-compatibility-matrix\"\u003eVehicle Compatibility Matrix\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eThe N55 appeared across a broad BMW range. The matrix below lists principal applications; engine code, power output and market availability must be checked against the vehicle VIN or engine label.\u003c\/p\u003e\n\u003cdiv class=\"group relative my-[1em]\"\u003e\n\u003cdiv class=\"sticky top-0 z-10 h-0\" aria-hidden=\"true\"\u003e\n\u003cdiv class=\"absolute left-0 top-0 w-full overflow-hidden bg-raised border-x md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"w-full overflow-auto scrollbar-subtle rounded-lg border md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest bg-raised\"\u003e\n\u003ctable class=\"[\u0026amp;_tr:last-child_td]:border-b-0 my-0 w-full table-auto border-separate border-spacing-0 text-sm font-sans rounded-lg [\u0026amp;_tr:last-child_td:first-child]:rounded-bl-lg [\u0026amp;_tr:last-child_td:last-child]:rounded-br-lg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\"\u003eN55 variant\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\"\u003eVehicle\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\"\u003eChassis\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\"\u003eModel years\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\"\u003eTypical factory output\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eN55B30M0\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBMW 535i Gran Turismo\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eF07\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e2009–2017\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e306 PS \/ 400 Nm in launch specification. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eN55B30M0\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBMW 335i \/ 335i xDrive\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eE90\/E91\/E92\/E93; F30\/F31\/F34\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e2010–2015\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eTypically 306 PS \/ 400 Nm. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eN55B30M0\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBMW 535i \/ 535i xDrive\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eF10\/F11\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e2010–2017\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eTypically 306 PS \/ 400 Nm. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eN55B30O0\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBMW 135i \/ 135is and M135i\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eE82\/E88; F20\/F21\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e2010–2016\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eApproximately 320–326 PS and 450 Nm. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eN55B30O0\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBMW 435i \/ 435i xDrive\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eF32\/F33\/F36\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e2013–2016\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e306 PS \/ 400 Nm in common European specification. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eN55B30O0\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBMW 640i \/ 640i Gran Coupé\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eF12\/F13\/F06\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e2011–2018\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eApproximately 320–326 PS and 450 Nm. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eN55B30O0\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBMW X3 xDrive35i \/ X4 xDrive35i\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eF25\/F26\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e2011–2017\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eApproximately 306–313 PS, market dependent. \u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" data-pplx-citation=\"\" data-pplx-citation-url=\"https:\/\/bimmerboom.com\/bmw-n55-engine-guide\/\"\u003e\u003cspan class=\"inline-flex\" aria-label=\"BMW N55 Engine Specifications \u0026amp; Common Problems\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eN55B30T0\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBMW M2\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eF87\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e2016–2018\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e370 PS \/ 465 Nm, with 500 Nm temporary overboost. \u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" data-pplx-citation=\"\" data-pplx-citation-url=\"https:\/\/ru.wikipedia.org\/wiki\/BMW_N55\"\u003e\u003cspan class=\"inline-flex\" aria-label=\"BMW N55 — Википедия\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eN55B30T0\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBMW M235i \/ M235i xDrive\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eF22\/F23\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e2014–2016\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e326 PS \/ 450 Nm. \u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" data-pplx-citation=\"\" data-pplx-citation-url=\"https:\/\/ru.wikipedia.org\/wiki\/BMW_N55\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"relative -mt-px max-w-full min-w-0 whitespace-nowrap -top-px font-sans text-base text-foreground select-none selection:bg-super\/50 selection:text-foreground dark:selection:bg-super\/10 dark:selection:text-super\"\u003e\u003cspan class=\"text-3xs rounded-md group min-w-4 max-w-full cursor-pointer align-middle font-mono tabular-nums font-normal transition-colors duration-150 inline-flex items-center gap-0 py-[0.1875rem] leading-snug px-[0.3rem] [@media(hover:hover)]:hover:bg-subtle group-data-[state=open]\/trigger:bg-subtle border-subtlest ring-subtlest divide-subtlest bg-quiet\"\u003e\u003cspan class=\"inline-flex shrink-0 items-center gap-xs !mt-0 ![vertical-align:unset] mr-xs\"\u003e\u003cspan role=\"img\" aria-label=\"Trusted domain\" data-testid=\"trusted-citation-check\" class=\"inline-flex shrink-0 items-center\"\u003e\u003csvg role=\"img\" class=\"inline-flex fill-current shrink-0 text-quiet\" width=\"12\" height=\"12\" stroke-width=\"1.75\" aria-hidden=\"true\"\u003e\u003cuse\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eN55B30T0\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBMW X4 M40i\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eF26\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e2016–2018\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e360 PS \/ 465 Nm.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eThe N55 family also appeared in BMW 1 Series, 3 Series, 4 Series, 5 Series, 6 Series and X5 applications, with engine availability changing by market. The N55B30T0 in the F87 M2 is a higher-output M Performance derivative and should not be treated as identical to a standard 306 PS N55B30M0.\u003c\/p\u003e\n\u003ch2 class=\"font-semibold leading-tight text-pretty mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"why-this-engine-matters\"\u003eWhy This Engine Matters\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eThe N55 marked a shift in BMW’s turbocharged six-cylinder strategy by replacing the N54’s two small turbochargers with one twin-scroll turbocharger. It retained strong low-rpm torque while adding Valvetronic variable valve lift, direct injection and Double VANOS in a more compact turbocharged package.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eThe standard engine produced 306 PS and 400 Nm, available from 1,200 to 5,000 rpm in the original 535i GT calibration. Higher-output variants developed up to 370 PS in the F87 BMW M2, making the N55 significant to both mainstream BMW six-cylinder cars and the early M2 story.\u003c\/p\u003e\n\u003ch2 class=\"font-semibold leading-tight text-pretty mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"technical-specifications\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"group relative my-[1em]\"\u003e\n\u003cdiv class=\"sticky top-0 z-10 h-0\" aria-hidden=\"true\"\u003e\n\u003cdiv class=\"absolute left-0 top-0 w-full overflow-hidden bg-raised border-x md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"w-full overflow-auto scrollbar-subtle rounded-lg border md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest bg-raised\"\u003e\n\u003ctable class=\"[\u0026amp;_tr:last-child_td]:border-b-0 my-0 w-full table-auto border-separate border-spacing-0 text-sm font-sans rounded-lg [\u0026amp;_tr:last-child_td:first-child]:rounded-bl-lg [\u0026amp;_tr:last-child_td:last-child]:rounded-br-lg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\"\u003eBMW N55B30 reference architecture\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eCapacity\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e2,979 cc \/ 3.0 litres. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eConfiguration\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eTurbocharged inline-six petrol engine. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eCylinder head\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eDOHC, four valves per cylinder; 24 valves total. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBore x stroke\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e84.0 x 89.6 mm. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eCompression ratio\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e10.2:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eBlock\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eAluminium crankcase with directly coated cylinder bores. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eFuel system\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eHigh Precision direct injection, 200 bar. \u003cspan class=\"citation inline\" data-pplx-citation=\"\" data-pplx-citation-url=\"https:\/\/pl.wikipedia.org\/wiki\/BMW_N55\"\u003e\u003cspan class=\"inline-flex\" aria-label=\"BMW N55 – Wikipedia, wolna encyklopedia\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eTurbocharger\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eSingle twin-scroll turbocharger. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eValve technology\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eDouble VANOS and Valvetronic. \u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" data-pplx-citation=\"\" data-pplx-citation-url=\"https:\/\/pl.wikipedia.org\/wiki\/BMW_N55\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"relative -mt-px max-w-full min-w-0 whitespace-nowrap -top-px font-sans text-base text-foreground select-none selection:bg-super\/50 selection:text-foreground dark:selection:bg-super\/10 dark:selection:text-super\"\u003e\u003cspan class=\"text-3xs rounded-md group min-w-4 max-w-full cursor-pointer align-middle font-mono tabular-nums font-normal transition-colors duration-150 inline-flex items-center gap-0 py-[0.1875rem] leading-snug px-[0.3rem] [@media(hover:hover)]:hover:bg-subtle group-data-[state=open]\/trigger:bg-subtle border-subtlest ring-subtlest divide-subtlest bg-quiet\"\u003e\u003cspan class=\"inline-flex shrink-0 items-center gap-xs !mt-0 ![vertical-align:unset] mr-xs\"\u003e\u003cspan role=\"img\" aria-label=\"Trusted domain\" data-testid=\"trusted-citation-check\" class=\"inline-flex shrink-0 items-center\"\u003e\u003csvg role=\"img\" class=\"inline-flex fill-current shrink-0 text-quiet\" width=\"12\" height=\"12\" stroke-width=\"1.75\" aria-hidden=\"true\"\u003e\u003cuse\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eTiming drive\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eTiming chain. \u003cspan class=\"citation inline\" data-pplx-citation=\"\" data-pplx-citation-url=\"https:\/\/bimmerboom.com\/bmw-n55-engine-guide\/\"\u003e\u003cspan class=\"inline-flex\" aria-label=\"BMW N55 Engine Specifications \u0026amp; Common Problems\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eExample standard output\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e306 PS \/ 225 kW at 5,800 rpm; 400 Nm from 1,200–5,000 rpm. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eExample higher-output output\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e320–326 PS and 450 Nm for N55B30O0 applications. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eF87 M2 output\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003e370 PS \/ 272 kW at 6,500 rpm; 465 Nm from 1,400–5,560 rpm, with 500 Nm temporary overboost. \u003cspan class=\"citation inline\" data-pplx-citation=\"\" data-pplx-citation-url=\"https:\/\/ru.wikipedia.org\/wiki\/BMW_N55\"\u003e\u003cspan class=\"inline-flex\" aria-label=\"BMW N55 — Википедия\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eMaximum engine speed\u003c\/td\u003e\n\u003ctd class=\"border-subtlest p-sm min-w-[48px] break-normal border-b border-r last:border-r-0\"\u003eApproximately 7,000 rpm in standard N55B30 applications. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eN55 output varies considerably between calibration levels, and a 306 PS 535i, 326 PS M235i and 370 PS M2 should not be described as equivalent engines for service-parts purposes. Use the engine code and VIN to identify the correct parts for a specific vehicle.\u003c\/p\u003e\n\u003ch2 class=\"font-semibold leading-tight text-pretty mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"product-details\"\u003eProduct Details\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eStainless-steel head gasket keychain inspired by the BMW \u003cstrong\u003eN55 3.0-litre turbocharged inline-six\u003c\/strong\u003e cylinder-head gasket profile.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eDesigned for owners and enthusiasts of N55-powered BMW 135i, 335i, 435i, 535i, 640i, M135i, M235i and F87 M2 models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eFinished using our \u003cstrong\u003ethree-stage vibratory polishing process\u003c\/strong\u003e for a smooth, durable metal finish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eSupplied on a \u003cstrong\u003eplywood display card\u003c\/strong\u003e for gifting, collecting or display.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eA compact tribute to BMW’s single-twin-scroll-turbo, direct-injected six-cylinder era.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" data-pplx-citation=\"\" data-pplx-citation-url=\"https:\/\/pl.wikipedia.org\/wiki\/BMW_N55\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"relative -mt-px max-w-full min-w-0 whitespace-nowrap -top-px font-sans text-base text-foreground select-none selection:bg-super\/50 selection:text-foreground dark:selection:bg-super\/10 dark:selection:text-super\"\u003e\u003cspan class=\"text-3xs rounded-md group min-w-4 max-w-full cursor-pointer align-middle font-mono tabular-nums font-normal transition-colors duration-150 inline-flex items-center gap-0 py-[0.1875rem] leading-snug px-[0.3rem] [@media(hover:hover)]:hover:bg-subtle group-data-[state=open]\/trigger:bg-subtle border-subtlest ring-subtlest divide-subtlest bg-quiet\"\u003e\u003cspan class=\"inline-flex shrink-0 items-center gap-xs !mt-0 ![vertical-align:unset] mr-xs\"\u003e\u003cspan role=\"img\" aria-label=\"Trusted domain\" data-testid=\"trusted-citation-check\" class=\"inline-flex shrink-0 items-center\"\u003e\u003csvg role=\"img\" class=\"inline-flex fill-current shrink-0 text-quiet\" width=\"12\" height=\"12\" stroke-width=\"1.75\" aria-hidden=\"true\"\u003e\u003cuse\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"font-semibold leading-tight text-pretty mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"faq\"\u003eFAQ\u003c\/h2\u003e\n\u003ch2 class=\"font-semibold leading-tight text-pretty mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"what-is-the-bmw-n55-engine\"\u003eWhat is the BMW N55 engine?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eThe BMW N55 is a 2,979 cc turbocharged inline-six petrol-engine family that combines direct injection, Double VANOS, Valvetronic and a single twin-scroll turbocharger.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" data-pplx-citation=\"\" data-pplx-citation-url=\"https:\/\/fr.wikipedia.org\/wiki\/Moteur_BMW_N55\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"relative -mt-px max-w-full min-w-0 whitespace-nowrap -top-px font-sans text-base text-foreground select-none selection:bg-super\/50 selection:text-foreground dark:selection:bg-super\/10 dark:selection:text-super\"\u003e\u003cspan class=\"text-3xs rounded-md group min-w-4 max-w-full cursor-pointer align-middle font-mono tabular-nums font-normal transition-colors duration-150 inline-flex items-center gap-0 py-[0.1875rem] leading-snug px-[0.3rem] [@media(hover:hover)]:hover:bg-subtle group-data-[state=open]\/trigger:bg-subtle border-subtlest ring-subtlest divide-subtlest bg-quiet\"\u003e\u003cspan class=\"inline-flex shrink-0 items-center gap-xs !mt-0 ![vertical-align:unset] mr-xs\"\u003e\u003cspan role=\"img\" aria-label=\"Trusted domain\" data-testid=\"trusted-citation-check\" class=\"inline-flex shrink-0 items-center\"\u003e\u003csvg role=\"img\" class=\"inline-flex fill-current shrink-0 text-quiet\" width=\"12\" height=\"12\" stroke-width=\"1.75\" aria-hidden=\"true\"\u003e\u003cuse\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"font-semibold leading-tight text-pretty mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"which-bmw-models-use-the-n55\"\u003eWhich BMW models use the N55?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eN55 engines were used in numerous BMW 1 Series, 3 Series, 4 Series, 5 Series, 6 Series and X-model applications, including the 135i, 335i, 435i, 535i, 640i, M135i, M235i, X3 xDrive35i and F87 M2.\u003c\/p\u003e\n\u003ch2 class=\"font-semibold leading-tight text-pretty mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"is-the-n55-the-same-as-the-n54\"\u003eIs the N55 the same as the N54?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eNo. Both are turbocharged 3.0-litre BMW inline-sixes, but the N54 uses two turbochargers while the N55 uses one twin-scroll turbocharger and adds Valvetronic variable valve lift.\u003cspan class=\"citation inline\" data-pplx-citation=\"\" data-pplx-citation-url=\"https:\/\/www.fcpeuro.com\/blog\/the-definitive-guide-to-the-bmw-n55-engine-common-faults-tech-specs-upgrades\"\u003e\u003cspan class=\"inline-flex\" aria-label=\"The Definitive Guide To The BMW N55 Engine - Common Faults, Tech Specs, \u0026amp; Upgrades\" data-state=\"closed\"\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"font-semibold leading-tight text-pretty mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-base first:mt-0\" id=\"is-this-a-functional-replacement-head-gasket\"\u003eIs this a functional replacement head gasket?\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eNo. This is a decorative stainless-steel keychain inspired by the BMW N55 head-gasket shape; it is not an engine-service component.\u003c\/p\u003e","brand":"gasketkeys","offers":[{"title":"BMW 1 Series (F20\/F21) - M135i","offer_id":57217162969420,"sku":"N55-BMW-F20-1116","price":20.0,"currency_code":"GBP","in_stock":true},{"title":"BMW 2 Series (F22\/F23) - M235i","offer_id":57217163002188,"sku":"N55-BMW-F22-1416","price":20.0,"currency_code":"GBP","in_stock":true},{"title":"BMW 2 Series (F87) - M2 (Pre-LCI)","offer_id":57217163034956,"sku":"N55-BMW-F87-1518","price":20.0,"currency_code":"GBP","in_stock":true},{"title":"BMW 3 Series (E90\/F30) - 335i","offer_id":57217163067724,"sku":"N55-BMW-F30-0915","price":20.0,"currency_code":"GBP","in_stock":true},{"title":"BMW 4 Series (F32\/F33\/F36) - 435i","offer_id":57217163100492,"sku":"N55-BMW-F32-1316","price":20.0,"currency_code":"GBP","in_stock":true},{"title":"BMW M-Performance (X5\/X6) - 35i\/40i","offer_id":57217163133260,"sku":"N55-BMW-F15-1318","price":20.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1024\/0639\/0092\/files\/bmw-2-series-f22.jpg?v=1784586081","url":"https:\/\/gasketkeys.com\/products\/bmw-n55-m135i-m235i-m2-335i-gasket-keychain","provider":"gasketkeys","version":"1.0","type":"link"}